governing mechanics是什么意思Though interlocking puzzles have been known for hundreds of years,very little is known about the governing mechanics.求翻译

governing mechanics是什么意思Though interlocking puzzles have been known for hundreds of years,very little is known about the governing mechanics.求翻译 Have your mechanics finished yetHave your mechanics finished yet?句中的your mechanics是单三吗?如果是为什么不用has?Can your mechanics repair it?为什么第一句用finished,第二句用repair?第一句可以也用repair吗 mechanics school auto mechanics governing firms in 关于公司治理的是金融方面的文章。关于公司治理的。是什么术语，直接译我也会。governing firms 是公司治理。 governing equation是什么意思 Governing Council是什么意思 governing equation是什么意思 self-governing是什么意思 Governing Council是什么意思 governing document是什么意思 arbitration and governing law have your mechanics finished yet?请问yet在这里是已经得意思吗? Applied Mechanics and Materials 现在ei检索到几期了啊?我的是665期, theoretical mechanics是什么意思 theoretical mechanics是什么意思 fluid mechanics是什么意思 fluid mechanics是什么意思